Home / 178,433.32-267,124.56-119,121.88

Finding the Fourth Proportional to 178,433.32, 267,124.56 and 119,121.88

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Solution

The fourth proportional to 178,433.32, 267,124.56 and 119,121.88 is: 178,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,433.32 : 267,124.56 = 119,121.88 : x
  2. Step 2: Convert to fraction form
    178,433.32/267,124.56 = 119,121.88/x
  3. Step 3: Cross multiply
    178,433.32x = 267,124.56 × 119,121.88
  4. Step 4: Simplify right side
    178,433.32x = 31,820,379,781.37
  5. Step 5: Solve for x
    x = 31,820,379,781.37/178,433.32
  6. Step 6: Final answer
    x = 178,332.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.